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Platinum complexes of dibenzo[1,2]dithiin, dibenzo[1,2]dithiin oxides and related polyaromatic hydrocarbon ligands

机译:二苯并[1,2]二硫代铂,二苯并[1,2]二硫代锡氧化物和相关的多芳烃配体的铂配合物

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摘要

The synthesis of platinum bisphosphine complexes of biphenyl-2,2'-dichalcogenates and the oxides of dibenzo[1,2]dithiin and related ligand systems by oxidative addition to [Pt-(PPh3)(4)] is reported. We also describe the synthesis of a new compound, di-benzothiophen-4-yldiselenide and its simple platinum complex (obtained by oxidative addition). All complexes have been fully characterised, principally by using multinuclear NMR spectroscopy and in six cases by means of single-crystal X-ray diffraction studies. The majority are simple S/S or Se/Se complexes, however the addition of dibenzo[1,2]dithin trioxide to [Pt(PPh3)(4)] gives a bimetallic system, [Pt-[2-[S(O)],2'[S(O)(2)]-biphen](PPh3)](2), containing a central Pt2S2O2 core in which the ligand behaves as a tridentate S,S,O donor.
机译:据报道,通过氧化加成至[Pt-(PPh3)(4)],可以合成联苯-2,2'-二氢铂的铂双膦配合物以及二苯并[1,2]二硫辛及其相关配体系统的氧化物。我们还描述了一种新化合物二苯并噻吩-4-基二硒化物的合成及其简单的铂配合物(通过氧化加成获得)。所有配合物均已得到充分表征,主要是通过使用多核NMR光谱进行的,在六种情况下通过单晶X射线衍射研究进行了表征。多数是简单的S / S或Se / Se络合物,但是在[Pt(PPh3)(4)]中添加三氧化二苯并[1,2]二硫辛制得双金属体系[Pt- [2- [S(O) )],2'[S(O)(2)]-biphen](PPh3)](2),其中包含中心Pt2S2O2核,配体在其中充当三齿S,S,O供体。

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